Patents-Review.com
ClassID:

220446 ⎘

H03H7/1708 - CPC Classification

Classification description:

Multiple-port networks comprising only passive electrical elements as network components; Frequency selective two-port networks; Structural details of sub-circuits of frequency selective networks Comprising bridging elements, i.e. elements in a series path without own reference to ground and spanning branching nodes of another series path

Recent Application in this class:
#1
20260088793
2026-03-26

ELECTRONIC COMPONENT

 #2
20250293657
2025-09-18

FILTER DEVICE

 #3
20250105814
2025-03-27

Isolation Between Filters Using Inductive Coupling Cancellation

 #4
20240048113
2024-02-08

FILTER DEVICE AND RADIO-FREQUENCY FRONT-END CIRCUIT INCLUDING THE SAME

 #5
20240022225
2024-01-18

ELECTRONIC COMPONENT

 #6
20230412137
2023-12-21

Multilayer LC filter

 #7
20230216466
2023-07-06

FILTER, FILTER MODULE, AND ELECTRONIC DEVICE

 #8
20230078928
2023-03-16

Multilayer electronic component

 #9
20220255524
2022-08-11

Band pass filter

 #10
20220035150
2022-02-03

Drive circuit for resonant mirror scanning system

 #11
20210058051
2021-02-25

Band pass filter

 #12
20200243254
2020-07-30

Multilayer band pass filter

 #13
20200076393
2020-03-05

Coupled Resonator On-Die Filters for WiFi Applications

 #14
20190190481
2019-06-20

LC filter, radio-frequency front-end circuit, and communication device

 #15
20190181826
2019-06-13

Multilayer band pass filter

 #16
20190173447
2019-06-06

Multilayer LC filter

 #17
20190165752
2019-05-30

Band pass filter

 #18
20190115900
2019-04-18

High quality factor time delay filters using multi-layer fringe capacitors

 #19
20190044207
2019-02-07

Filter circuits having a resonator-based filter and a magnetically-coupled filter

 #20
20180316330
2018-11-01

Low-pass filter

 #21
20180262177
2018-09-13

Integrated delay modules

 #22
20180241367
2018-08-23

High-frequency front end circuit and spurious-wave suppressing method

 #23
20180233794
2018-08-16

Ultra wide band fixed phase shifter based on capacitive load and having N physically separated phase shift units with orthocouplers therein

 #24
20180226952
2018-08-09

Filter circuit, multiplexer, and module

 #25
20180198433
2018-07-12

Frequency-variable LC filter and high-frequency front end circuit

 #26
20180145651
2018-05-24

Multilayer filter

 #27
20180123552
2018-05-03

Filter arrangement with compensation of poor electrical ground

 #28
20180102753
2018-04-12

Coupled resonator on-die filters for WiFi applications

 #29
20170331446
2017-11-16

Sub-network enhanced reflectionless filter topology

 #30
20170317657
2017-11-02

Time delay filters

 #31
20170310296
2017-10-26

High quality factor time delay filters using multi-layer fringe capacitors

 #32
20170244144
2017-08-24

Filter-termination combination for multi-band receiver

 #33
20170194931
2017-07-06

Coupling circuits with capacitors

 #34
20170170798
2017-06-15

Low pass filter

 #35
20170077983
2017-03-16

Front-end circuit having a tunable filter

 #36
20170012651
2017-01-12

Front-end circuit for simultaneous transmission and reception operation

 #37
20160359466
2016-12-08

Tunable RF filter circuit

 #38
20160218690
2016-07-28

Electronic component

 #39
20160043701
2016-02-11

Sub-network enhanced reflectionless filter topology

 #40
20160020746
2016-01-21

High-frequency laminated component and laminated high-frequency filter

 #41
20150351243
2015-12-03

LC composite component

 #42
20150349739
2015-12-03

Common mode noise suppressing device

 #43
20150318593
2015-11-05

Resonator and band pass filter

 #44
20150288400
2015-10-08

Impedance matching for variable impedance antennas

 #45
20150130558
2015-05-14

Filter device and duplexer

 #46
20150116056
2015-04-30

Electronic component

 #47
20150084718
2015-03-26

Multi-band impedance tuners using weakly-coupled LC resonators

 #48
20150070107
2015-03-12

High frequency module comprising a band-pass LC filter and a piezoelectric resonator

 #49
20150061791
2015-03-05

High frequency component

 #50
20150002968
2015-01-01

Integrated EMI filter circuit with ESD protection and incorporating capacitors

 #51
20150002240
2015-01-01

Methods and apparatus for signal filtering

 #52
20140347146
2014-11-27

Filter

 #53
20140327497
2014-11-06

Coupled-resonator on-die filters for WiFi applications

 #54
20140320235
2014-10-30

System and method for wideband high current RF choke network

 #55
20140240061
2014-08-28

Electronic component

 #56
20140145898
2014-05-29

High-frequency module

 #57
20140098456
2014-04-10

Electronic component

 #58
20140062616
2014-03-06

Filter

 #59
20130342283
2013-12-26

Electronic component

 #60
20130314176
2013-11-28

Electronic component

 #61
20130278355
2013-10-24

Common mode filter provided with hightened removal function of common mode noise and de-emphasis function

 #62
20130229241
2013-09-05

Multilayer band pass filter

 #63
20130207745
2013-08-15

3D RF L-C FILTERS USING THROUGH GLASS VIAS

 #64
20130200958
2013-08-08

Laminate-type electronic device with filter and balun

 #65
20130154768
2013-06-20

Laminated balanced filter

 #66
20130120950
2013-05-16

Band-pass filter module and module substrate

 #67
20130076454
2013-03-28

Band-pass filter

 #68
20120326774
2012-12-27

Switching circuit

 #69
20120319801
2012-12-20

High-frequency laminated component and laminated high-frequency filter

 #70
20120319800
2012-12-20

Electronic component

 #71
20120313730
2012-12-13

Laminated bandpass filter

 #72
20120286900
2012-11-15

Tunable filter

 #73
20120256703
2012-10-11

BANDPASS FILTER AND ELECTRONIC DEVICE

 #74
20120256700
2012-10-11

All-pass network

 #75
20120169434
2012-07-05

Filter

 #76
20120119852
2012-05-17

Multilayer band-pass filter

 #77
20120098620
2012-04-26

Filter and layout structure thereof

 #78
20120075036
2012-03-29

Common mode filter

 #79
20120032758
2012-02-09

Electronic component

 #80
20110304410
2011-12-15

Filter circuit, and wireless communication module and wireless communication device that uses the same

 #81
20110267166
2011-11-03

Electronic component and method for making the same

 #82
20110205139
2011-08-25

Bandpass filter, radio communication module and radio communication device using the bandpass filter

 #83
20110095848
2011-04-28

SYSTEM AND METHOD FOR WIDEBAND HIGH CURRENT RF CHOKE NETWORK

 #84
20110074527
2011-03-31

Layered bandpass filter

 #85
20110074526
2011-03-31

Multilayer bandpass filter

 #86
20110074525
2011-03-31

Common mode filter

 #87
20110006861
2011-01-13

Liquid crystalline polymer and multilayer polymer-based passive signal processing components for RF/wireless multi-band applications

 #88
20100251321
2010-09-30

Upstream bandwidth conditioning device

 #89
20100244983
2010-09-30

Constant impedance filter

 #90
20100214037
2010-08-26

Filter with integrated loading capacitors

 #91
20100188172
2010-07-29

Quick tractable filter

 #92
20100171568
2010-07-08

Laminated band pass filter

 #93
20100140742
2010-06-10

Semiconductor device and method of forming thin film capacitor

 #94
20100140738
2010-06-10

Semiconductor device and method of forming compact coils for high performance filter

 #95
20100091752
2010-04-15

High frequency circuit, high frequency component and communication device

 #96
20100039189
2010-02-18

Laminated band-pass filter having an even number of LC parallel resonators

 #97
20100026420
2010-02-04

Band-pass filter circuit and multi-layer structure and method thereof

 #98
20100007439
2010-01-14

Transformer with symmetric structure

 #99
20100007438
2010-01-14

Band pass filter

 #100
20100007437
2010-01-14

LC composite component

 #101
20090315643
2009-12-24

Filter device having attenuation poles

 #102
20090295501
2009-12-03

Diplexer circuit, high-frequency circuit and high-frequency module

 #103
20090267705
2009-10-29

Tunable matching network circuit topology selection

 #104
20090258626
2009-10-15

Filter circuit and receiving apparatus

 #105
20090121806
2009-05-14

Noise filter array

 #106
20090096547
2009-04-16

ACOUSTICALLY COUPLED RESONATORS AND METHOD OF MAKING THE SAME

 #107
20090027141
2009-01-29

FILTER CIRCUIT, FILTER CIRCUIT DEVICE, MULTILAYERED CIRCUIT BOARD, AND CIRCUIT MODULE EACH INCLUDING THE FILTER CIRCUIT

 #108
20080252395
2008-10-16

Compact coils for high performance filters

 #109
20080246459
2008-10-09

Common-Mode Surge Suppression

 #110
20080192401
2008-08-14

Surge absorption circuit

 #111
20080150626
2008-06-26

Time variant filter with reduced settling time

 #112
20070252664
2007-11-01

Noise Suppression Circuit

 #113
20070241839
2007-10-18

High frequency multilayer bandpass filter

 #114
20070194345
2007-08-23

Thin-film device

 #115
20070188273
2007-08-16

Resonant circuit, filter circuit, and multilayered substrate

 #116
20070126529
2007-06-07

Thin-film bandpass filter using inductor-capacitor resonators

 #117
20070085108
2007-04-19

Liquid crystalline polymer and multilayer polymer-based passive signal processing components for RF/wireless multi-band applications

 #118
20070076343
2007-04-05

Connector

 #119
20070070569
2007-03-29

Surge absorber

 #120
20070025043
2007-02-01

Surge absorption element and surge absorption circuit

 #121
20070019353
2007-01-25

Surge absorbing circuit

 #122
20070002513
2007-01-04

Surge absorber

 #123
20070001786
2007-01-04

Multilayer band pass filter

 #124
20060279380
2006-12-14

Second order bandpass filter

 #125
20060261914
2006-11-23

Multilayer filter

 #126
20060232361
2006-10-19

Acoustically coupled resonators and method of making the same

 #127
20060192632
2006-08-31

Front end module

 #128
20060158282
2006-07-20

Filters with improved rejection band performance

 #129
20060141978
2006-06-29

Compact radio frequency harmonic filter using integrated passive device technology

 #130
20060126239
2006-06-15

Surge absorption circuit and laminated surge absorption device

 #131
20060114634
2006-06-01

Surge absorption circuit

 #132
20060077018
2006-04-13

Filter having parasitic inductance cancellation

 #133
20050135602
2005-06-23

Enhanced low pass filter

 #134
20050043004
2005-02-24

Communication apparatus, electronic equipment with communication functions, communication function circuit, amplifier circuit and balun circuit

 #135
16039383
2020-08-25

MHz range harmonic impedance tuner and method